SOUTH AFRICAN BAGWORMS. 



19; 



it and the wall with some loose white silk. This applies to 

 both sexes. The pupae are very large as compared with the 

 bag", andthey fill n early the entire space. 



When pupation approaches, the larva fastens the mouth of 

 the bag very securely to the under surface of the leaf, and it 

 takes considerable force to remove it. 



The bags were found on the leaves of Brachyltena 



Text-fig. 16. 



Maiiatha subhyalina Janse. 

 A. Front view of head of full-grown larva. X 27. B. Ocellar and 

 sub-ocellar area of head of full-grown larva, showing position of 

 setaj. X 40. c. Dorsal thoracic plates of full-grown larva, show- 

 ing colour-pattern and setfe. X 13. D. Bag of larva (from 

 Grahamstown). showing attachment to mid-rib of leaf. X 1"3. E. 

 External view of bag of male pupa, x 2. F. Opened bag of male 

 pupa, showing smooth interior and absence of inner bag. v 2. 



discolor, a common shrub on the sand dunes at Durban, 

 and were attached to the under side of the leaf. When 

 collected the bags were mistaken for young specimens of 

 G-ymnelema vinctus Walker, but they can be distinguished 

 from the latter by being four-sided, while those of G. vinctus 

 are five-sided. 



